1) Alter 2) Change 3) Modify 
to collect or mass together in tufts or masses
• (v. i.) To aggregate into small lumps. • (a.) Furnished with tufts of curly hairs, as some insects. • (v. t.) To convert into floccules or flocculent aggregates; to make granular or crumbly; as, the flocculating of a soil improves its mechanical condition.
Floc'cu·late intransitive verb [ imperfect & past participle Flocculated ; present participle & verbal noun Flocculating .] (Geol.) To aggregate into small lumps. 
Type: Term Pronunciation: flok′yū-lāt Definitions: 1. To become flocculent.
[v] - form into an aggregated flocculent mass, as of protoplasms
flocculate 1. To cause (soil) to form lumps or masses. 2. To cause (clouds) to form fluffy masses. 3. To form lumpy or fluffy masses.
verb form into an aggregated lumpy or fluffy mass; `the protoplasms flocculated`